CN208104380U - A kind of feed supplementing device of fermentor - Google Patents

Abstract

The utility model discloses a kind of feed supplementing devices of fermentor, including fermentor ontology, sealing cover and shield, the seal cap sealing is arranged in fermentor bodies top, shield is sealedly connected on sealing cover, zone of protection is formed between the shield and sealing cover, and feed supplement cylinder is provided in zone of protection, first piston, piston rod, launches pipe, the first valve, accumulator, second piston, feed pipe, the first exhaust tube, the second exhaust tube, the second valve and third valve.This feeding device of fermentation tank is under the closed environment in shield, state of isolation is in the external world, avoid feed supplementing device and contacting external air, furthermore, the air pressure utilized during feed supplement both from the fermentation gas inside fermentor, avoid feed supplementing device due to itself is in negative pressure state and the case where draw outside air, so, under the premise of avoiding feed supplementing device from contacting outside air, operator can carry out operation feed supplement to feed supplementing device under normal barometric pressure environment.

Description

A feeding device for a fermenter

Technical field:

The utility model belongs to the technical field of fermentation equipment, in particular to a feeding device for a fermentation tank.

Background technique:

The fermenter needs to ensure a sterile, sealed and clean environment during the fermentation process. Simultaneous fermentation requires feeding during the fermentation process, such as culture medium, acid or lye, chemical defoamer, etc. These media and feeding devices that are in direct contact with the media must be sterilized at high temperature in advance to ensure sterility. The existing feeding device has a complex structure, great resistance during feeding, inaccurate feeding amount control, and difficult to meet the process requirements. Therefore, the feeding device of the fermenter needs to have good sealing to avoid contact with the outside air. affect the quality of fermentation.

Invention content:

The technical problem to be solved by the utility model is to improve a feeding device for a fermenter that has good sealing performance and does not need to be in contact with the outside air.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions: a feeding device for a fermenter, comprising a fermenter body, a sealing cover and a protective cover, the sealing cover is sealed and arranged on the top of the fermenter body, the The protective cover is sealed and connected to the sealing cover, and a protective area is formed between the protective cover and the sealing cover, and the feeding cylinder, the first piston, the piston rod, the feeding tube, the first valve, and the storage cylinder are arranged in the protective area. , the second piston, the feed pipe, the first exhaust pipe, the second exhaust pipe, the second valve and the third valve, the cylinder body of the feeding cylinder is fixedly installed on the protective cover, and the first piston is placed in the supplementary In the material cylinder, one end of the piston rod is fixedly connected to the first piston, the other end of the piston rod extends to the outside of the protective cover, one end of the delivery tube is sealed and connected to the inside of the fermenter body, and the other end of the delivery tube is sealed and connected to the supplementary tank. In the lower part of the material cylinder, the first valve is arranged on the pipe body of the delivery pipe, and a feeding chamber is formed between the first piston and the delivery pipe, and the cylinder body of the material storage cylinder is fixedly installed on the sealing cover. The second piston is placed in the storage cylinder, the lower end of the feed pipe is sealed and connected to the storage cylinder, the upper end of the feed pipe extends to the outside of the protective cover, and a fourth valve is arranged on the body of the feed pipe. A material storage chamber is formed between the second piston and the feed pipe, and the material storage chamber and the feeding chamber are sealed and communicated through pipelines, and the lower ends of the first air extraction pipe and the second air extraction pipe are sealed Connected to the inside of the fermenter body, the upper ends of the first air extraction pipe and the second air extraction pipe are respectively connected to the pressure chambers of the feeding cylinder and the storage cylinder through pipelines, and the second valve and the third valve are respectively set On the pipe body of the first air extraction pipe and the second air extraction pipe.

Preferably, the fermenter body is also provided with an observation window.

As a preference, the lower ends of the injection pipe, the first air extraction pipe, and the second air extraction pipe are all arranged in an oblique angle structure.

Preferably, a sterilizing device is also provided inside the protective cover.

Compared with the prior art, the utility model has the advantages that: the feeding device for the fermenter is in a closed environment in the protective cover, and is isolated from the outside world, which avoids the contact between the feeding device and the outside air. The air pressure used in the feeding process comes from the fermentation gas inside the fermenter to further avoid the situation that the feeding device absorbs the outside air due to its own negative pressure state. In this way, on the premise of avoiding the feeding device from contacting the outside air, The operator can operate and refill the feeding device under normal air pressure environment.

Description of drawings:

Below in conjunction with accompanying drawing, the utility model is further described.

Fig. 1 is the structural representation of the utility model.

Detailed ways:

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail:

A feeding device for a fermenter as shown in Figure 1 includes a fermenter body 1, a sealing cover 2 and a protective cover 3, the sealing cover 2 is sealed and arranged on the top of the fermenter main body 1, and the protective cover 3 is hermetically connected On the sealing cover 2, a protective area is formed between the protective cover 3 and the sealing cover 2, and the feeding cylinder 4, the first piston 5, the piston rod 6, the delivery tube 8, and the first valve 9 are arranged in the protective area. , accumulator cylinder 10, second piston 11, feed pipe 13, the first air extraction pipe 14, the second air extraction pipe 15, the second valve 16 and the third valve 17, and the cylinder block of described feed feeding cylinder 4 is fixedly installed on On the protective cover 3, the first piston 5 is placed in the feeding cylinder 4, one end of the piston rod 6 is fixedly connected to the first piston 5, and the other end of the piston rod 6 extends to the outside of the protective cover 3, the One end of the delivery pipe 8 is sealed and connected to the interior of the fermenter body 1, and the other end of the delivery pipe 8 is sealed and connected to the lower part of the feeding cylinder 4. The first valve 9 is arranged on the body of the delivery pipe 8. The first piston 5 and the A feeding chamber 7 is formed between the feeding pipes 8, the cylinder body of the storage cylinder 10 is fixedly installed on the sealing cover 2, the second piston 11 is placed in the storage cylinder 10, and the lower end of the feeding pipe 13 is The seal is connected to the material storage cylinder 10, and the upper end of the feeding pipe 13 extends to the outside of the protective cover 3. The body of the feeding pipe 13 is provided with a fourth valve, and the feeding pipe 13 is connected to the feeding device. The second A material storage chamber 12 is formed between the piston 11 and the feed pipe 13, and the material storage chamber 12 and the feed chamber 7 are sealed and communicated by a pipeline. The first air extraction pipe 14 and the second air extraction pipe 15 The lower ends of both are sealed and connected to the inside of the fermenter body 1, and the upper ends of the first air extraction pipe 14 and the second air extraction pipe 15 are respectively connected to the pressure chambers of the feeding cylinder 4 and the storage cylinder 10 through pipeline sealing. The second valve 16 and the third valve 17 are respectively arranged on the pipe bodies of the first air extraction pipe 14 and the second air extraction pipe 15; The valve is closed, at this time, the second valve 16 and the third valve 17 are opened, the piston rod 6 is pulled to pump the material to be replenished in the storage chamber 12 into the replenishment chamber 7, and the third valve 17 is closed and the third valve is opened. A valve 9, pushes the piston rod 6 to put the material to be supplemented into the fermenter body 1 through the delivery pipe 8, and then closes each valve to prepare for the next supplement.

In practical application, in order to facilitate the operator to observe the fermentation condition and feeding condition inside the fermenter body 1 , the fermenter body 1 is also provided with an observation window 18 .

In addition, in order to facilitate the insertion and installation of the delivery tube 8, the first suction tube 14, and the second suction tube 15 on the sealing cover 2, the lower ends of the delivery tube 8, the first suction tube 14, and the second suction tube 15 are all set at an oblique angle. structure.

In order to further realize the sterilization effect, a sterilization device is also provided inside the protective cover 3 .

It should be emphasized that: for those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present utility model The utility model. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (4)

1. a kind of feed supplementing device of fermentor, it is characterised in that：Including fermentor ontology (1), sealing cover (2) and shield (3), The sealing cover (2) is sealingly disposed at the top of fermentor ontology (1), and the shield (3) is sealedly connected on sealing cover (2), Zone of protection is formed between the shield (3) and sealing cover (2), feed supplement cylinder (4), the first work are provided in the zone of protection It fills in (5), piston rod (6), launch pipe (8), the first valve (9), accumulator (10), second piston (11), feed pipe (13), first The cylinder body of exhaust tube (14), the second exhaust tube (15), the second valve (16) and third valve (17), the feed supplement cylinder (4) is fixed It is mounted on shield (3), the first piston (5) is placed in feed supplement cylinder (4), and one end of the piston rod (6) is fixedly connected On first piston (5), the other end of piston rod (6) extends to shield (3) outside, and the dispensing pipe (8) one end sealing connects It is internal to pass to fermentor ontology (1), launches pipe (8) other end sealing and is connected to feed supplement cylinder (4) lower part, first valve (9) It is arranged on the tube body for launching pipe (8), forms feed supplement chamber (7) between the first piston (5) and dispensing pipe (8), the storage The cylinder body of material cylinder (10) is fixedly mounted on sealing cover (2), and the second piston (11) is placed in accumulator (10), the charging The sealing of pipe (13) lower end is connected to accumulator (10), and feed pipe (13) upper end extends to shield (3) outside, the feed pipe (13) it is provided with the 4th valve on tube body, forms stock chest (12) between the second piston (11) and feed pipe (13), It is connected between the stock chest (12) and feed supplement chamber (7) by pipeline sealing, first exhaust tube (14) and second is taken out The lower end of tracheae (15), which seals, is connected to fermentor ontology (1) inside, first exhaust tube (14) and the second exhaust tube (15) upper end is connected to the pressure chamber of feed supplement cylinder (4), accumulator (10), second valve by pipeline sealing respectively (16) it is separately positioned on the tube body of the first exhaust tube (14), the second exhaust tube (15) with third valve (17).

2. the feed supplementing device of fermentor according to claim 1, it is characterised in that：It is also set on the fermentor ontology (1) It is equipped with observation window (18).

3. the feed supplementing device of fermentor according to claim 1, it is characterised in that：(8), the first exhaust tube are managed in the dispensing (14), the second exhaust tube (15) lower end is disposed as oblique angle structure.

4. the feed supplementing device of fermentor according to claim 1, it is characterised in that：It is also set up inside the shield (3) There is bactericidal unit.